BellringersAtoms

Mr. Murray ran a half marathon of 21.1 km, how many cm did he run?•G•U•E

•S•S

Complete the following table:

p+ n amu Element

13   27  

  45 80  

    Ca

Quiz

p+ n amu Element

15   31  

  47 83  

    K

Mr. McKenney’s Chili calls for 2.5 lbs of meat. How many 500 gram packages should he buy? (1 kg = 2.2 lbs)

•G•U•E•S•S

Complete the following table:

p+ n amu ElementValence 

e-

49   115  

  16 32  

    Xe

Complete the table

p+ n amuElementValence 

e- Ion

37    

  10 19  

    Kr

Convert the following:

•14 oz to zorks of cupcakes. (2 oz = 1 cupcake, 1 zork = 8 cupcakes)

•54 grams of water to moles of water. (18 grams of water = 1 mole of water)

Use your periodic table to determine

How many electrons must be gained or lost by this atom to become stable?

How many electrons/protons/neutrons does this atom have?

Which element is this? What family is it a part of? Is it a metal or nonmetal? What are its properties

How many electrons must be gained or lost by this atom to become stable?

How many electrons/protons/neutrons does this atom have?Which element is this? What family is it a part of? Is it a metal or nonmetal? What are its properties